I propose to eliminate "simple curve" from Valentina.
Why? Sometimes through bad planning or change of philosophy about a pattern, a user may want to change a simple curve into a curved path.
Right now this is almost impossible unless you know how to hack the .val file.
I propose therefore to delete the "Simple Curve". A Simple Curve can be Curved Path with only 2 points. This would be much more flexible and allow the designer/patternmaker a lot more freedom. If later the user wants to add a point to the Curved Path with 2 points, he can do so and make it a 3 point curve.
We would also need to find a way to give user the ability to add points to a Curved Path after the Curved Path is already made.